/Engine/Plugins/Runtime/WorldConditions/Source/WorldConditions/Public/WorldConditionBase.h
// Only cache result if we were able to register invalidation callback
    const bool bResultCanBeCached = State.DelegateHandle.IsValid();
 /**
*[FWorldConditionResult](API\Plugins\WorldConditions\FWorldConditionResult) Result ( [EWorldConditionResult::IsFalse](API\Plugins\WorldConditions\EWorldConditionResultValue), bResultCanBeCached )